County of Roucy

• Ruling Houses
• 

  House of Montdidier

• 

  House of Coucy
  Enguerrand III de Coucy

• 

  House of Pierrepont

• 

  House of Valois-Anjou

• 

  House of Pierrepont
  Restored

• 

  House of Sarrebruck-Commercy

• 

  House of Roye

• 

  House of La Rochefoucauld

• 

  House of Béthune